A new Kullback-Leibler VAD for speech recognition in noise.
Javier RamírezJosé C. SeguraC. BenitezÁngel de la TorreAntonio J. RubioPublished in: IEEE Signal Process. Lett. (2004)
Keyphrases
- speech recognition
- noisy environments
- kullback leibler
- voice activity detection
- kl divergence
- distance measure
- automatic speech recognition
- background noise
- kullback leibler divergence
- speech signal
- hidden markov models
- cross entropy
- pattern recognition
- language model
- speaker identification
- speech enhancement
- noise model
- mahalanobis distance
- noise reduction
- speech recognition systems
- machine learning
- speaker recognition
- information retrieval
- n gram
- noise level
- signal to noise ratio
- information theoretic